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CVE-2022-48691— netfilter: nf_tables: clean up hook list when offload flags check fails

EPSS 0.02% · P5
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I. Basic Information for CVE-2022-48691

Vulnerability Information
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Vulnerability Title
netfilter: nf_tables: clean up hook list when offload flags check fails
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: clean up hook list when offload flags check fails splice back the hook list so nft_chain_release_hook() has a chance to release the hooks. BUG: memory leak unreferenced object 0xffff88810180b100 (size 96): comm "syz-executor133", pid 3619, jiffies 4294945714 (age 12.690s) hex dump (first 32 bytes): 28 64 23 02 81 88 ff ff 28 64 23 02 81 88 ff ff (d#.....(d#..... 90 a8 aa 83 ff ff ff ff 00 00 b5 0f 81 88 ff ff ................ backtrace: [<ffffffff83a8c59b>] kmalloc include/linux/slab.h:600 [inline] [<ffffffff83a8c59b>] nft_netdev_hook_alloc+0x3b/0xc0 net/netfilter/nf_tables_api.c:1901 [<ffffffff83a9239a>] nft_chain_parse_netdev net/netfilter/nf_tables_api.c:1998 [inline] [<ffffffff83a9239a>] nft_chain_parse_hook+0x33a/0x530 net/netfilter/nf_tables_api.c:2073 [<ffffffff83a9b14b>] nf_tables_addchain.constprop.0+0x10b/0x950 net/netfilter/nf_tables_api.c:2218 [<ffffffff83a9c41b>] nf_tables_newchain+0xa8b/0xc60 net/netfilter/nf_tables_api.c:2593 [<ffffffff83a3d6a6>] nfnetlink_rcv_batch+0xa46/0xd20 net/netfilter/nfnetlink.c:517 [<ffffffff83a3db79>] nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c:638 [inline] [<ffffffff83a3db79>] nfnetlink_rcv+0x1f9/0x220 net/netfilter/nfnetlink.c:656 [<ffffffff83a13b17>] netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] [<ffffffff83a13b17>] netlink_unicast+0x397/0x4c0 net/netlink/af_netlink.c:1345 [<ffffffff83a13fd6>] netlink_sendmsg+0x396/0x710 net/netlink/af_netlink.c:1921 [<ffffffff83865ab6>] sock_sendmsg_nosec net/socket.c:714 [inline] [<ffffffff83865ab6>] sock_sendmsg+0x56/0x80 net/socket.c:734 [<ffffffff8386601c>] ____sys_sendmsg+0x36c/0x390 net/socket.c:2482 [<ffffffff8386a918>] ___sys_sendmsg+0xa8/0x110 net/socket.c:2536 [<ffffffff8386aaa8>] __sys_sendmsg+0x88/0x100 net/socket.c:2565 [<ffffffff845e5955>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<ffffffff845e5955>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于内存泄漏。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
LinuxLinux d54725cd11a57c30f650260cfb0a92c268bdc3e0 ~ 910891a2a44cdc49efcc4fe7459c1085ba00d0f4 -
LinuxLinux 5.5 -

II. Public POCs for CVE-2022-48691

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III. Intelligence Information for CVE-2022-48691

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Same Patch Batch · Linux · 2024-05-03 · 25 CVEs total

CVE-2022-48694RDMA/irdma: Fix drain SQ hang with no completion
CVE-2022-48705wifi: mt76: mt7921e: fix crash in chip reset fail
CVE-2022-48704drm/radeon: add a force flush to delay work when radeon
CVE-2022-48695scsi: mpt3sas: Fix use-after-free warning
CVE-2022-48690ice: Fix DMA mappings leak
CVE-2022-48703thermal/int340x_thermal: handle data_vault when the value is ZERO_SIZE_PTR
CVE-2022-48702ALSA: emu10k1: Fix out of bounds access in snd_emu10k1_pcm_channel_alloc()
CVE-2022-48701ALSA: usb-audio: Fix an out-of-bounds bug in __snd_usb_parse_audio_interface()
CVE-2022-48699sched/debug: fix dentry leak in update_sched_domain_debugfs
CVE-2022-48698drm/amd/display: fix memory leak when using debugfs_lookup()
CVE-2022-48697nvmet: fix a use-after-free
CVE-2022-48696regmap: spi: Reserve space for register address/padding
CVE-2022-48670peci: cpu: Fix use-after-free in adev_release()
CVE-2022-48693soc: brcmstb: pm-arm: Fix refcount leak and __iomem leak bugs
CVE-2022-48692RDMA/srp: Set scmnd->result only when scmnd is not NULL
CVE-2022-48689tcp: TX zerocopy should not sense pfmemalloc status
CVE-2022-48688i40e: Fix kernel crash during module removal
CVE-2022-48687ipv6: sr: fix out-of-bounds read when setting HMAC data.
CVE-2022-48686nvme-tcp: fix UAF when detecting digest errors
CVE-2022-48675IB/core: Fix a nested dead lock as part of ODP flow

Showing top 20 of 25 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

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